/* Copyright (C) 2013-2021 TU Dortmund
 * This file is part of AutomataLib, http://www.automatalib.net/.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package net.automatalib.ts.modal;

import java.util.Collection;

import net.automatalib.ts.modal.transition.MutableGroupMemberEdge;
import net.automatalib.ts.modal.transition.MutableModalContractEdgeProperty;

/**
 * A mutable version of the {@link MembershipModalContract} that allows various modifications on the current
 * modification alphabet.
 *
 * @param <S>
 *         state type
 * @param <I>
 *         input symbol type
 * @param <T>
 *         transition type
 * @param <TP>
 *         (specific) transition property type
 *
 * @author msc
 */
public interface MutableMembershipModalContract<S, I, T, TP extends MutableModalContractEdgeProperty & MutableGroupMemberEdge>
        extends MembershipModalContract<S, I, T, TP>, MutableModalContract<S, I, T, TP> {

    boolean addCommunicationSymbol(I symbol);

    void removeCommunicationSymbol(I symbol);

    void setCommunicationAlphabet(Collection<I> alphabet);

    void clearCommunicationAlphabet();
}
